University of Michigan discovers the economy of lithium ion battery recycling using mineral processing
According to foreign media reports, chemical engineering students at Michigan Technological University adopted the mineral processing method thousands of years ago and found an economical solution for lithium ion battery recycling. The research team used two mining industry technologies to separate the components in the battery: the casing, the metal foil material, and the anode and cathode coatings. He or she uses standard gravity separation (gravity beneficiation) technology to separate copper from aluminum, and then uses foam flotation to reduce key materials, including graphite, lithium and cobalt. This type of mining technology is currently the cheapest technology and the required infrastructure is in place. The project also received a grant from the US Environmental Protection Agency for an amount of $ 15,000. See the text for details.
According to foreign media reports, chemical engineering students at the Michigan Technological University in the United States adopted the century-old mineral processing method thousands of years ago and discovered an economical solution for lithium ion battery recycling.
The research team used two mining industry technologies to separate the components in the battery: the casing, the metal foil material, and the anode and cathode coatings.
The biggest advantage of this process is the cheap price and energy saving. In order to remanufacture the battery, the recycled material is as good as the original material, and the price is cheaper.
The team saw an opportunity to use the existing technology to solve the increasingly prominent challenges (scarce battery materials, insufficient supply, high prices, etc.). He or she uses standard gravity separation (gravity beneficiation) technology to separate copper from aluminum, and then uses froth flotation to restore key materials, including graphite, lithium and cobalt. This type of mining technology is currently the cheapest technology and the required infrastructure is in place.
In order to further promote this research, funding support was provided by the Innovation Hub of the Translational Research and Commercialization (MTRAC) at Michigan Tech University.
In addition, the project also received a grant from the US Environmental Protection Agency for US $ 15,000.
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